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Temka [501]
3 years ago
12

Does anyone know the answer to this?​

Mathematics
1 answer:
vodka [1.7K]3 years ago
4 0

Answer:

it might be 48 seeing that 1/4 of df is dz so add zf to it and df should equal 48

Step-by-step explanation:

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50 POINTS!!!!!!!
nevsk [136]

Answer: Option C)1 over 15 minus 1 over x equals 1 over 20

Explanation:

Since, Micah can fill a box with books in 15 minutes.

Therefore, the work done by Micah in one minute= 1/15

Also, Sydney takes the books out puts them on a shelf.

And the times taken by Micah when Sydney is also taking the books outside from the self= 20 minutes

Therefore, the work done by Micah in one minute when Sydney  taking books out of the box= 1/20

Let Sydney alone takes x minutes to take books outsides the shelf.

Then, work done by Sydney in one minute=1/x

Thus, the work done by Sydney( by taking books out of the box)=  the work done by Micah - work done by Micah and Sydney simultaneously= 1/15-1/20

⇒1/x=1/15-1/20

⇒1/15-1/20=1/x

⇒1/15-1/x=1/20 is the required expression.

Therefore, Option C is correct.



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3 years ago
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Answer:

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2 years ago
When the function below is graphed, how many x-intercepts does it have? y = 4x2 + 5x + 2
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